refactoring: import containing module instead of function for PostGIS export invocation
refactoring: import containing module instead of function for PostGIS export invocation

geometalab/osmaxx,geometalab/osmaxx-frontend,geometalab/osmaxx-frontend,geometalab/osmaxx-frontend,geometalab/osmaxx,geometalab/osmaxx-frontend,geometalab/osmaxx,geometalab/osmaxx